Since there isn't a US production ST Fiesta, maybe you mean the Focus ST?
Not even. There is a hardcore racer over on S197forum who picked up an ST for a DD and he absolutely loves it. I believe it was Livernois who put out a tune with something like 265whp and 320+wtq. Not to shabby.
2011 GT | MT82 | 3.73 | Brembos | Barton | Airaid | CDC chin | Corsa X pipe & Xtremes | DSS Aluminum Shaft | BMR Rear loop & LCA relocating brackets | J&M Extreme LCA | Koni Yellows | Steeda Sports | UMI Panhard | SCT & BAMA
"Yo, nutsack! Let me tell you something, man, muscle beats import every time. You know what I'm saying? Every time!" - Dwight